/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.flink.table.factories.datagen;

import org.apache.flink.annotation.Internal;
import org.apache.flink.configuration.ConfigOption;
import org.apache.flink.streaming.api.functions.source.datagen.DataGenerator;

import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;

/**
 * Container class for wrapping a {@link DataGenerator with its configuration options}.
 */
@Internal
public class DataGeneratorContainer {

	private final DataGenerator generator;

	/**
	 * Generator config options, for validation.
	 */
	private final Set<ConfigOption<?>> options;

	private DataGeneratorContainer(DataGenerator generator, Set<ConfigOption<?>> options) {
		this.generator = generator;
		this.options = options;
	}

	public static DataGeneratorContainer of(
		DataGenerator generator, ConfigOption<?>... options) {
		return new DataGeneratorContainer(generator, new HashSet<>(Arrays.asList(options)));
	}

	public DataGenerator getGenerator() {
		return generator;
	}

	public Set<ConfigOption<?>> getOptions() {
		return options;
	}
}
